CN100456528C - Method and device for forming outer package body of product - Google Patents
Method and device for forming outer package body of product Download PDFInfo
- Publication number
- CN100456528C CN100456528C CNB018175635A CN01817563A CN100456528C CN 100456528 C CN100456528 C CN 100456528C CN B018175635 A CNB018175635 A CN B018175635A CN 01817563 A CN01817563 A CN 01817563A CN 100456528 C CN100456528 C CN 100456528C
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- resin
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- protective
- finished product
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- 238000000034 method Methods 0.000 title claims description 14
- 229920005989 resin Polymers 0.000 claims abstract description 105
- 239000011347 resin Substances 0.000 claims abstract description 105
- 239000011265 semifinished product Substances 0.000 claims description 55
- 230000001681 protective effect Effects 0.000 claims description 45
- 239000000047 product Substances 0.000 claims description 38
- 230000015572 biosynthetic process Effects 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 25
- 208000034189 Sclerosis Diseases 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000013067 intermediate product Substances 0.000 abstract 5
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 29
- 239000004020 conductor Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3468—Batteries, accumulators or fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7146—Battery-cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Casings For Electric Apparatus (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
An intermediate product (50) is formed by combining together a plurality of constituent elements. The intermediate product (50) is arranged in a mold and then molten resin is charged in the mold. An opening (34, 35, 36) is formed so as to correspond to a plus terminal (4), a minus terminal (5), and a temperature detecting terminal (6) in the intermediate product (50), and its periphery is covered with the resin. Whereupon, a thin enclosed outer packaging body is realized that is made compact and offers excellent dust-proof, drip-proof structure. Alternatively, the intermediate product (50) is housed in an outer packaging case (51 to 54) having an open end that allows insertion of the intermediate product (50), and resin is charged in the open end, thereby achieving sealing.
Description
Technical field
The present invention relates to a kind of element with product covers, makes hardening of resin and form the protective formation method and the device thereof of the product of product protection body with the resin of fusion.
Background technology
The product of portable electric appts class, its environment for use constantly changes along with moving, except miniaturization, thin typeization, lightweight, also need to prevent dust, waterproof construction or anti-ly fall down, resistance to impact.On the basis of having satisfied these requirements, the protective structure of product is extremely important.Figure 16 A～Figure 16 C represents an example of product, is the battery component that uses as the power supply of portable electronic machine, and secondary cell 80, the circuit substrate 84 that constitutes battery protecting circuit etc. are incorporated in the protective.
The protective of this battery component is the assembly housing that is made of lower casing 82 and upper casing 83.Shown in Figure 16 A; configuration constitutes circuit substrate 84 and input, the connecting plate etc. of battery protecting circuit in lower casing 82, and, shown in Figure 16 B; the secondary cell 80 that configuration constitutes as lithium rechargeable battery combines secondary cell 80 with connecting plate.Then, shown in Figure 16 C, on battery 80, paste two-sided tape 85, upper casing 83 is combined with lower casing 82 make battery component.
Above-mentioned lower casing 82 is to carry out ultrasonic bonding by the circumference to both to realize with combining of upper casing 83.As shown in figure 17, the protuberance 82a that forms the circumference of lower casing 82 is embedded in the recess 83a of the circumference that is formed at upper casing 83, between the bottom of the front end of protuberance 82a and recess 83a, carry out ultrasonic bonding.
But; the structure that the too busy to get away housing that will cut apart carries out combination in traditional protective structure; in the above-mentioned conventional example; for upper casing 83 is bonded on the lower casing 82; the lateral circle surface of two housings 82,83 needs certain thickness, and existing assembly housing is the volume of battery component, the problem that weight increases.
In addition, assembly housing is a duricrust, and upper casing 83 is bonded to lower casing 82, input need be exposed to the outside, so can produce small gap everywhere, is difficult to guarantee to prevent dust, water resistance, and is apt to cause breakage because of falling down.
Summary of the invention
The object of the present invention is to provide a kind ofly seamlessly to cover the element of product, and realizing miniaturization, light-weighted while, realize the product protection body formation method and the device thereof of waterproof construction and resistance to impact with protective.
In order to achieve the above object; the application provides a kind of protective formation method of product; wherein; each part that constitutes product is combined into one, the semi-finished product that external connection terminals forms product are set outside, these semi-finished product are configured in the mould; form and described external connection terminals corresponding opening portion; to mould, make whole to be covered the resin fill of molten condition,, protective is formed the given size shape by making hardening of resin by resin.
Because the inside element of product is that semi-finished product are not provided with the joint portion, and cover,, can realize the product miniaturization so the volume energy of protective forms minimum size by resin.
The present invention also provides a kind of protective formation method of product; wherein; each part that constitutes product is combined into one; the semi-finished product that external connection terminals forms product are set outside; make described external connection terminals be positioned at described patent part side ground and these semi-finished product are inserted in the protection housing that is formed with the opening portion; form and described external connection terminals corresponding opening portion; with the resin fill of molten condition to described opening portion so that described opening portion by resin enclosure; make the hardening of resin of filling, the opening portion of described protection housing is sealed ended.
Semi-finished product are covered by the protection housing except the formation face of external connection terminals; externally the position of splicing ear peristome is set, in the time of will protecting the opening portion of housing to use resin enclosure; then protective forms hermetically-sealed construction, realizes miniaturization, dustproof, waterproof construction.
In addition; the invention provides a kind of protective formation method of product; wherein; each part that constitutes product is combined into one; the semi-finished product that external connection terminals forms product are set outside; in the position corresponding peristome is set with external connection terminals; described semi-finished product are inserted in the protection housing that forms the opening portion in any direction from described development department; with the resin fill of molten condition to described opening portion; make the hardening of resin of filling, the opening portion of described protection housing is sealed ended.
Semi-finished product are covered by the protection housing except the opening portion, because external connection terminals exposes to the outside from the peristome of protecting housing, in a single day so use the resin enclosure opening portion, then protective forms hermetically-sealed construction, realize miniaturization, dustproof, waterproof construction.
In addition, the invention provides a kind of protective and form device, be that resin fill to outside is had required of the resin enclosure object of external connection terminals, formation and described external connection terminals corresponding opening portion and the protective that the resin enclosure object carries out resin enclosure is formed device, this device has: the main mould with accommodation space of taking in described resin enclosure object; Be formed with the core of cast gate; To described core towards the elastic component that leaves the direction application of force of main mould; Overcome the elastic force of described elastic component and described core is filled in resin injection nozzle in the space between described resin enclosure object and the described core towards the described main mould pushing of taking in described resin enclosure object and with resin by described cast gate.
Adopt above-mentioned protective to form device; since when be accommodated in the resin enclosure object in the main mould, when making resin inject nozzle to advance and retreat; core overcomes the elastic force of elastic component and is pressed into main die side; main mould is closed; so when injecting nozzle injection resin from resin, then resin fill is to the filling space.Carry out required of resin enclosure when being accommodated in the main mould towards the filling space when what make resin enclosure object product, product is by resin enclosure.In addition, the advance and retreat action along with resin injects nozzle is closed between main mould and the core, so take in, take out product easily.
The simple declaration of accompanying drawing
Fig. 1 is the exploded perspective view of the semi-finished product structure of an expression routine embodiment of the present invention.
Fig. 2 A is the half-finished vertical view of expression, and Fig. 2 B is an end view.
Fig. 3 is the stereogram of the battery component finished of expression.
Fig. 4 A is the vertical view of the face side of indication circuit substrate, and Fig. 4 B is the vertical view of the rear side of circuit substrate.
Fig. 5 A is that vertical view, Fig. 5 B of protection housing of the formation assembly housing of the 2nd embodiment is that end view, Fig. 5 C are upward views.
Fig. 6 A is that expression is that cutaway view, Fig. 6 C are upward views with vertical view, Fig. 6 B that semi-finished product are accommodated in the state in the protection housing.
Fig. 7 A is that vertical view, Fig. 7 B of protection housing of the formation assembly housing of the 3rd embodiment is that end view, Fig. 7 C are that upward view, Fig. 7 D are the vertical views that top envelope is ended the back state.
Fig. 8 A is that vertical view, Fig. 8 B of protection housing of the formation assembly housing of the 4th embodiment is that end view, Fig. 8 C are the upward views of opening portion.
Fig. 9 A is that end view, Fig. 9 B of protection housing of the formation assembly housing of the 5th embodiment is that vertical view, Fig. 9 C that top envelope is ended the back state is the upward view that the bottom surface envelope is ended the back state.
Figure 10 A, Figure 10 B are the cutaway views of the state of expression protective the 1st operation that forms device.
Figure 11 A, Figure 11 B are the cutaway views of the state of expression protective the 2nd operation that forms device.
Figure 12 A, Figure 12 B are the cutaway views of the state of expression protective the 3rd operation that forms device.
Figure 13 A, Figure 13 B are the cutaway views of the state of expression protective the 4th operation that forms device.
Figure 14 A is the cutaway view of the state after the shaping of expression resin enclosure finishes, and Figure 14 B is the cutaway view of the state of making of battery component.
Figure 15 A, Figure 15 B are that the expression protective forms the cutaway view that in the device the whole face of battery component is carried out the structure of resin enclosure.
Figure 16 A～Figure 16 C is the stereogram that traditional battery module structure is represented by assembling sequence.
Figure 17 is the partial sectional view of the bonding state of the traditional assembly housing of expression.
Specific embodiment
Following embodiment is the example that protective formation method of the present invention is applied to the assembly housing (protective) of battery component (product).As shown in Figure 1; make the secondary cell that constitutes by pancake lithium rechargeable battery 1 and constitute overcharging and form the circuit substrate 9 one combination of a plurality of input battery protecting circuit that overdischarge etc. is protected the time this secondary cell 1; form the semi-finished product 50 shown in Fig. 2 A, Fig. 2 B; these semi-finished product 50 are accommodated in the assembly housing shown in Figure 37, constitute battery component.
Fig. 1 is the figure with above-mentioned semi-finished product 50 exploded representation; be equipped with the connecting plate 11 that combines with the positive terminal 25 of this secondary cell 1 in the mouth-sealed portion side of secondary cell 1, be provided on the secondary cell 1 dividing plate 12, form the circuit substrate 9 of plus end 4 and negative terminal 5 and temperature detection terminal 6 when constituting battery protecting circuit, and be equipped with the wire guide plate 10 that extends to the side from the bottom surface of the battery can 31 of the negative pole that constitutes secondary cell 1 as the bearing-surface of circuit substrate 9.
Be combined with the base portion 11b of the connecting plate 11 of L font on the positive terminal 25 of above-mentioned secondary cell 1, the bottom surface of battery can 31 is combined with the base portion 10b of wire guide plate 10, and wire portion 10a extends to the mouth-sealed portion side along the side of battery can 31.
In addition, shown in Fig. 2 A, Fig. 2 B, the mouth-sealed portion side of secondary cell 1 is equipped with dividing plate 12.Dividing plate 12 location are entrenched on the secondary cell 1, and reinforcement and negative pole are the insulating properties between the battery can 31.In addition, the wire portion 11a of connecting plate 11 and the wire portion 10a of wire guide plate 10 combine with soldering portion above the circuit substrate 9 by dividing plate 12 and circuit substrate 9.Because being installed in the electronic component of the mouth-sealed portion side of circuit substrate 9 is incorporated in the peristome of dividing plate 12; be stacked in state on the secondary cell 1 so circuit substrate 9 becomes the thickness that adds upper spacer 12 with its substrate thickness, can restrain because of the increase of the height that battery protecting circuit causes is set.
Fig. 4 A, Fig. 4 B are formed at circuit template on the positive and negative of circuit substrate 9 and electronic component mounted thereto with perspective representation, constitute battery protecting circuit and input on the substrate.Shown in Fig. 4 B; the reverse side of circuit substrate 9 (dividing plate 12 sides) constitutes the battery protecting circuit that IC part 21,22 and chip element 26 are installed; shown in Fig. 4 A, the connecting plate that face side is formed with plus end 4, negative terminal 5 and stable detection terminal 6, be used to connect connecting plate 11 is with conductor template 15 and be used for the wire guide plate that is connected with wire guide plate 10 with conductor template 16a.The circuit template that this two sides forms will located by through hole 30 connections.
The wire portion 11a of connecting plate 11 passes from the via 20 that this circuit substrate 9 forms, and wire portion 11a is bent on conductor template 15 and carries out soldering at connecting plate.In addition, pass the wire portion 10a of wire guide plate 10 a side of the wire guide plate break-through recess 29,29 at the two ends that are formed at circuit substrate 9, wire guide plate with conductor template 16a on bending and carry out soldering.By the soldering of this connecting plate 11 and wire guide plate 10, circuit substrate 9 has been fixed on the dividing plate 12.Though above-mentioned example only at the one-sided wire guide plate 10 that is provided with, also can be provided with in both sides and combine with circuit substrate 9, the permanent circuit substrate 9 more reliably.
Shown in Fig. 4 A, the plus end that is formed at circuit substrate 9 face side with conductor template 4a in conjunction with plus end 4, negative terminal with conductor template 5a in conjunction with negative terminal 5, the temperature detection terminal with conductor template 6a in conjunction with temperature detection terminal 6.These terminals Tong crosses the sheet material of Gai Copper nickel alloy of sheet material Huo of Shi Yong Copper nickel alloy and stainless clad material etc., and makes its conductivity, associativity, corrosion resistance very good.In addition, can be not yet in conjunction with sheet material as terminal, gold-platedly on each conductor template directly use as terminal.
As mentioned above, by circuit substrate 9 is installed, shown in Fig. 2 A, Fig. 2 B, form semi-finished product 50 on secondary cell 1.These semi-finished product 50 are accommodated in the assembly housing 7 as shown in Figure 3.This assembly housing 7 can be made of each embodiment of 1-the 5th shown below.
(the 1st embodiment)
With with the corresponding internal volume of overall dimension shape of assembly housing 7, be provided be used to form with the plus end window 34 of the corresponding position of plus end 4, with the negative terminal window 35 of the corresponding position of negative terminal 5, with the metal die of the protuberance of each peristome of the temperature detection terminal window 36 of the corresponding position of temperature detection terminal 6 in, with very thin supporting member semi-finished product 50 are configured to hollow state, the resin with molten condition injects in the mould then.
In this structure, assembly housing 7 is made of integrative-structure, so can form thin protective, battery component can be realized miniaturization, lightweight.In addition, resin-bonded by filling around plus end 4, negative terminal 5, the temperature detection terminal 6 so seal fully in the assembly housing 7, improved its dust tightness, water proofing property.
The manufacturing process of the assembly housing 7 of relevant above-mentioned resin fill in detail after chat.
(the 2nd embodiment)
Shown in Fig. 5 A～Fig. 5 C, be formed with end square tube protection housing by ester moulding, its depth H is longer slightly than semi-finished product 50 total lengths.The bottom surface of this protection housing 51 form shown in Fig. 5 A with each peristome of plus end window 34, negative terminal window 35 and the temperature detection terminal window 36 of plus end 4, negative terminal 5 and temperature detection terminal 6 corresponding positions of semi-finished product 50.
Shown in Fig. 6 A～Fig. 6 C, in this protection housing 51, insert semi-finished product 50, allow plus end 4, negative terminal 5 and temperature detection terminal 6 expose to the outside from each peristome of plus end window 34, negative terminal window 35 and temperature detection terminal window 36.Then, the resin fill of molten condition to the open end 14 of protecting housing 51, after the sclerosis, is formed assembly housing shown in Figure 37 by protection housing 51 and the resin that is filled in its peristome.
The assembly housing 7 of Xing Chenging as shown in Figure 3 thus, form following state: have each peristome of plus end window 34, negative terminal window 35 and temperature detection terminal window 36 in the position corresponding with plus end 4, negative terminal 5 and temperature detection terminal 6, and cover semi-finished product 50 around.
(the 3rd embodiment)
Shown in Fig. 7 A～Fig. 7 D, be formed with end square tube protection housing by ester moulding.Semi-finished product 50 are inserted in this protection housing 52 and to make its circuit substrate 9 become opening distolateral.Then; open end at protection housing 52 forms plus end window 34, negative terminal window 35 and temperature detection terminal window 36; mix and be used to seal the only mould of open end; with its sclerosis of relief to the space of openend of the resin fill of molten condition, thereby form plus end window 34, negative terminal window 35 and the temperature detection terminal window 36 shown in Fig. 7 D.
End the openend of this protection housing 52 by envelope, as shown in Figure 3, plus end 4, negative terminal 5 and temperature detection terminal 6 are exposed respectively from plus end window 34, negative terminal window 35 and temperature detection terminal window 36 to the outside.Form and cover semi-finished product 50 assembly housing 7 on every side.
In this structure, resin-bonded by filling around plus end 4, negative terminal 5, the temperature detection terminal 6 so seal fully in the assembly housing 7, improved its dust tightness, water proofing property.
(the 4th embodiment)
Shown in Fig. 8 A～Fig. 8 C, form protection housing 53 by ester moulding, this protection housing 53 be with cuboid one side short side opening end cuboid arranged, weak point side, one side is provided with plus end window 34, negative terminal window 35 and temperature detection terminal window 36.Semi-finished product 50 are inserted in this protection housing 53 from this side, plus end 4, negative terminal 5 and temperature detection terminal 6 are exposed to the outside from plus end window 34, negative terminal window 35 and temperature detection terminal window 36 respectively.Then, in order to seal the open end of only protecting housing 53, after the resin fill of molten condition is to the space of open end, make its sclerosis.
End the open end of this protection housing 53 by envelope; as shown in Figure 3; plus end 4, negative terminal 5 and temperature detection terminal 6 are exposed to the outside from plus end window 34, negative terminal window 35 and temperature detection terminal window 36 respectively, form the assembly housing 7 that covers around the semi-finished product 50.
(the 5th embodiment)
Shown in Fig. 9 A, semi-finished product 50 are inserted through ester moulding and in the protection housing 54 of the square tube shape that forms, the open end that is formed at protection housing 54 both sides is sealed ended.A side corresponding with the terminal surface of semi-finished product 50 forms plus end window 34, negative terminal window 35 and temperature detection terminal window 36 similarly to Example 3 and makes plus end 4, negative terminal 5 and temperature detection terminal 6 exposes to the outside, resin fill, envelope with molten condition are ended, end with resin fill, the envelope of fusion equally with the 2nd embodiment the side corresponding with opposite side.
End the two ends of this protection housing 54 by envelope; as shown in Figure 3; plus end 4, negative terminal 5 and temperature detection terminal 6 are exposed to the outside from plus end window 34, negative terminal window 35 and temperature detection terminal window 36 respectively, form the assembly housing 7 that covers around the semi-finished product 50.
Among above-mentioned the 1st～the 5th embodiment, casting resin better is polyamide-based or thermoplastic resin, thermosetting resin, the hot melt voltinism resinoid of polyurethane class etc.Thermoplastic resin then selects for use melt temperature low in this way, in this way thermosetting resin then select for use hardening temperature low or cold(-)setting, can alleviate thermal impact like this to semi-finished product 50.In addition, can vacuum-formed resin by using, can reduce pressure influence to semi-finished product 50, mould also can cheaply constitute.
In addition, in the structure shown in each embodiment of Fig. 2～Fig. 5, flow into the resin that filling is used between protection housing 51～54 and the semi-finished product 50, even the very thin thickness of protection housing 51～54, its intensity is strengthened, and can improve the intensity of battery component.
In addition, by regulating resin the hardness after the sclerosis is reduced, the effect that can be absorbed and impact has been used the battery component of this protective, and its resistance to impact to impacts such as falling down is improved, and becomes to be highly suitable for the power supply that portable electronic machine is used.
Below, protective is formed device explain.The protective of present embodiment forms device; as mentioned above, be expression with secondary cell 1 with constitute that this secondary cell 1 of protection overcharges and the circuit substrate 9 one combination of the battery protecting circuit of overdischarge etc., with semi-finished product (resin enclosure object) 50 resin enclosures shown in Fig. 2 A, Fig. 2 B, an example that uses in order to constitute battery component.
These semi-finished product 50 are accommodated in the open protection housing 51 in bottom, and this open end forms device 60 by protective shown below and carries out resin enclosure, and semi-finished product 50 are sealed in the assembly housing 7.
Figure 10 A～Figure 13 B represents to form each operation that device 60 carries out resin enclosure by protective according to the order of sequence, the cutaway view of 2 vertical directions of each operation master mould part.
Among Figure 10 A, Figure 10 B, main mould 62 and core 63 forms the composite die structure of gate location as interface, can make semi-finished product 50 put into taking-up, can tackle heavy the cutting that the down gate 67 of gate portions causes simultaneously.Form empty 62a in the main mould 62, the filling space that core 63 is formed with resin forms face 63a, the cast gate 66 that links to each other with this filling space formation face 63a, the down gate 67 that links to each other with this cast gate 66.In addition, core 63 is subjected to the application of force towards the direction of leaving main mould 62 of spring (elastic component) 64.As shown in the figure, open mould 62, will put in the empty 62a of semi-finished product 50 insertions that protects housing 51 and make its open end be positioned at core 63 sides.
Below, shown in Figure 11 A, Figure 11 B, shut main mould 62 and core 63, improve and to make resin inject nozzle 65 to pass in and out, thereby make core 63 overcome the elastic force of spring 64 and be depressed on the main mould 62 in main mould 62 sides.Shown in Figure 12 A, Figure 12 B, core 63 closely contacts with main mould 62, and resin 70 injects nozzle 65 from resin and drains in the down gate 67, and resin 70 is fills up to by cast gate 66 on the open end that is formed at protection housing 51 and in the filling space between the core 63.The open end of protection housing 51 by this resin 70 filling and by resin enclosure.In addition, the resin 70 of filling also enters in the gap of protecting between housing 51 and the semi-finished product 50, so protection housing 51 is integrated with semi-finished product 50, can increase its intensity even protection housing 51 is made of also very thin resin forming spare, can make the battery component miniaturization.
After making resin 70 sclerosis after the filling, shown in Figure 13 A, Figure 13 B, open main mould 62 and core 63, make resin inject nozzle 65 and retreat, the battery component taking-up that can be shaped through resin enclosure.Resin 70 after the shaping is shown in Figure 14 A, and residual have because of cast gate 66 and down gate 67 formed unwanted part 70a, by with its excision, as shown in Figure 14B, makes the battery component that is covered semi-finished product 50 by protection housing 51 and resin 70.
More than the protective of explanation forms device 60; and formation is carried out resin enclosure with the open end of the protection housing 51 of bottom surface opened; but above also semi-finished product 50 can being inserted is in the protection housing 52 of open end, forms peristome in the terminal part, carries out resin enclosure above inciting somebody to action.This can form by the filling space at core 63, and face 63a forms and the protuberance of terminal part butt is implemented.
In addition, shown in Figure 15 A, Figure 15 B, the empty 62a that forms in the main mould 62, form its volume can produce the gap around semi-finished product 50 size, be provided with the pin 75 that semi-finished product 50 is supported to suspended state in the many places of empty 62a inwall, from resin inject resin 70 that nozzle 65 injects shown in Figure 70, be fills up to semi-finished product 50 around, can carry out resin enclosure to whole face.In this occasion, as mentioned above, the terminal part forms peristome.
The resin that uses during more than the resin enclosure of explanation is shaped better is polyamide-based or the hot melt voltinism resin of polyurethane class.In addition,, the hardness behind the hardening of resin makes its step-down by being regulated, the effect that can be absorbed and impact, and the resistance to impact that impact such as falls down of battery component is improved, and becomes to be highly suitable for the power supply that portable electronic machine is used.
The possibility of utilizing on the industry
Adopt the present invention, resin enclosure can be carried out in any outside of product, form very thin product Protective is realized the miniaturization of protective and the raising of intensity, and it is dustproof to utilize hermetically-sealed construction to consist of Structure, waterproof construction, it is very favorable being used for portable electronic machine etc.
Claims (10)
1. the protective formation method of a product; it is characterized in that; each part that constitutes product is combined into one; the semi-finished product (50) that external connection terminals (4,5,6) forms product are set outside; these semi-finished product (50) are configured in the mould; form and described external connection terminals (4,5,6) corresponding opening portion (34,35,36); to mould, make whole to be covered the resin fill of molten condition by resin; by making hardening of resin, protective is formed the given size shape.
2. the protective formation method of a product; it is characterized in that; each part that constitutes product is combined into one; external connection terminals (4 is set outside; 5; 6) semi-finished product (50) of formation product; make described external connection terminals (4; 5; 6) be positioned at the patent part side ground that is formed at protection housing (52) and these semi-finished product (50) be inserted in the protection housing (52) that is formed with described opening portion; the protection housing (52) that will insert described semi-finished product (50) is disposed in the mould; form and described external connection terminals (4; 5; 6) corresponding opening portion (34; 35; 36); with the resin fill of molten condition to described opening portion so that described opening portion by resin enclosure; make the hardening of resin of filling, the opening portion of described protection housing (52) is sealed ended.
3. the protective formation method of a product; it is characterized in that; each part that constitutes product is combined into one; external connection terminals (4 is set outside; 5; 6) semi-finished product (50) of formation product; with external connection terminals (4; 5; 6) Dui Ying position is provided with peristome (34; 35; 36); from being formed at protection housing (51 in any direction; 53; 54) opening portion is inserted in the described protection housing (51 that forms described opening portion in any direction with described semi-finished product (50); 53; 54) in; to insert the protection housing (51 of described semi-finished product (50); 53; 54) be disposed in the mould; from described opening portion with the resin fill of molten condition to described mould; make the hardening of resin of filling, to described protection housing (51; 53; 54) opening portion is sealed and is ended.
4. according to the protective formation method of each described product in the claim 1～3, it is characterized in that resin is polyamide-based or the resin of polyurethane class.
5. according to the protective formation method of each described product in the claim 1～3, it is characterized in that, resin is regulated its sclerosis back hardness is reduced.
6. according to the protective formation method of each described product in the claim 1～3; its characteristics are; semi-finished product are battery components, its with secondary cell (1) with constitute to this secondary cell (1) overcharge and battery protecting circuit that overdischarge is protected and the circuit substrate (9) that forms a plurality of input carry out one and combine.
7. a protective forms device, be that resin (70) is fills up to the protective formation device that the outside has required of the resin enclosure object of external connection terminals (4,5,6), formation and described external connection terminals (4,5,6) corresponding opening portion (34,35,36) and the resin enclosure object carried out resin enclosure, it is characterized in that having: main mould (62) with accommodation space of taking in described resin enclosure object; Be formed with the core (63) of cast gate (66); Described core (63) court is left the elastic component (64) of the direction application of force of main mould (62); Overcome the elastic force of described elastic component (64) and described core (63) is filled in resin injection nozzle (65) in the space between described resin enclosure object and the described core (63) towards described main mould (62) pushing of taking in described resin enclosure object and with resin (70) by described cast gate (66).
8. protective according to claim 7 forms device, it is characterized in that, main mould (62) and core (63) constitute the composite die of gate location as bearing surface.
9. protective according to claim 7 forms device; it is characterized in that; the resin enclosure object is accommodated in covers in its protection housing of required (51,52,53,54), forming the space of casting resin (70) with the corresponding position of face that is not covered by described protection housing (51,52,53,54).
10. protective according to claim 7 forms device; it is characterized in that; the suspention of resin enclosure object is bearing in main mould (62) and the core (63), makes the outside of object be provided with predetermined distance, be provided with the space of casting resin (70) at the whole face of described resin enclosure object.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000320166A JP3614767B2 (en) | 2000-10-20 | 2000-10-20 | Method for forming exterior body of electrical product |
| JP320166/2000 | 2000-10-20 | ||
| JP363518/2000 | 2000-11-29 | ||
| JP2000363518A JP3576484B2 (en) | 2000-11-29 | 2000-11-29 | Resin sealing molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1470081A CN1470081A (en) | 2004-01-21 |
| CN100456528C true CN100456528C (en) | 2009-01-28 |
Family
ID=26602453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018175635A Expired - Fee Related CN100456528C (en) | 2000-10-20 | 2001-10-19 | Method and device for forming outer package body of product |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6881371B2 (en) |
| EP (1) | EP1343210B1 (en) |
| KR (1) | KR100822557B1 (en) |
| CN (1) | CN100456528C (en) |
| DE (1) | DE60142077D1 (en) |
| TW (1) | TW507391B (en) |
| WO (1) | WO2002033766A1 (en) |
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- 2001-10-19 WO PCT/JP2001/009226 patent/WO2002033766A1/en active Application Filing
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- 2001-10-19 TW TW090125902A patent/TW507391B/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| US20030173709A1 (en) | 2003-09-18 |
| EP1343210B1 (en) | 2010-05-05 |
| KR20030036937A (en) | 2003-05-09 |
| EP1343210A4 (en) | 2007-03-21 |
| US6881371B2 (en) | 2005-04-19 |
| DE60142077D1 (en) | 2010-06-17 |
| TW507391B (en) | 2002-10-21 |
| WO2002033766A1 (en) | 2002-04-25 |
| EP1343210A1 (en) | 2003-09-10 |
| CN1470081A (en) | 2004-01-21 |
| KR100822557B1 (en) | 2008-04-16 |
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